<template>
	<view>
		
		<view class="my-settle-container">
			<!-- 全选 -->
			<label class="radio" @click="changeAllState">
				<radio color="#C00000" :checked="isFullCheck" ></radio>
				<text>全选</text>
			</label>
		
			<!-- 合计 -->
			<view class="amount-box">
				合计:<text class="amount">¥{{checkedGoodsAmount}}</text>
			</view>
		
			<!-- 结算按钮 -->
			<view>
				<button class="btn-settle" @click="settlement">结算({{checkedCount}})</button>
			</view>
			
		</view>
		
		
	</view>
</template>

<script>
	import {mapGetters,mapMutations,mapState} from 'vuex'
	export default {
		name: "my-settle",
		data() {
			return {
				//倒计时秒数
				seconds:3,
				//定时器
				timer:null
			};
		},
		computed:{
			...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
			...mapGetters('m_user',['addstr']),
			...mapState('m_user',['token']),
			...mapState('m_cart',['cart']),
			
			//是否全选
			isFullCheck(){
				return this.total === this.checkedCount
			}
		},
		methods:{
			...mapMutations('m_cart',['updateAllGoodsState']),
			...mapMutations('m_user',['updateRedirectInfo']),
			
			changeAllState(){
				this.updateAllGoodsState(!this.isFullCheck)
			},
			
			//用户点击了结算按钮 
			settlement(){
				if(!this.checkedCount) return uni.$showMessage('请选择要结算的商品')
				
				if(!this.addstr) return uni.$showMessage('请选择收货地址')
				
				if(!this.token) return this.delayNavigate()
				
				//实现微信支付
				this.payOrder()
			},
			
			showTips(n){
				uni.showToast({
					//不展示任何图片
					icon:'none',
					//提示信息
					title:'请登录后再结算! ' + n +' 秒后自动跳转登录页',
					//为页面添加透明遮罩，防止点击穿透
					mask:true,
					//1.5s后消失
					duration:1500
				})
			},
			//延迟跳转
			delayNavigate(){
				this.seconds = 3
				this.showTips(this.seconds)
				
				//创建定时器，每隔1s执行一次
				this.timer = setInterval(()=>{
					//先让秒数自减
					this.seconds--
					
					if(this.seconds<=0){
						clearInterval(this.timer)
						uni.switchTab({
							url:'/pages/my/my',
							success: () => {
								this.updateRedirectInfo({
									//记录跳转的方式
									openType:'switchTab',
									//是从哪个页面跳转的
									from:'/pages/cart/cart'
								})
							}
						})
						return
					}
					this.showTips(this.seconds)
				},1000)
			},
			
			//实现微信支付功能
			async payOrder(){
				//1创建订单
				//1.1组织订单信息对象
				const orderInfo = {
					order_price:0.01,
					consignee_addr:this.addstr,
					goods:this.cart.filter(x=>x.goods_state).map(x=>({
						goods_id:x.goods_id,
						goods_number:x.goods_count,
						goods_price:x.goods_price
					}))
				}
				//1.2发起请求创建订单
				const {data:res} = await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
				console.log(res)
				//走流程先写成401
				if(res.meta.status!==401) return uni.$showMessage('创建订单失败')
				// if(res.meta.status!==200) return uni.$showMessage('创建订单失败')
				
				//1.3得到服务器返回的订单编号
				// const orderNumber = res.message.order_number
				const orderNumber = 'AADFADF879213124214214DFAF'
				
			
				//2订单预支付
				//2.1发起请求获取订单的支付信息
				const {data:res2} = await uni.$http.post('/api/public/v1/my/orders/req_unifieorder',{order_number:orderNumber})
				//2.2预付生成订单失败
				// console.log('res:' + JSON.stringify(res2))
				if(res2.meta.status!==200) return uni.$showMessage('预付订单生成失败')
				//走流程先这样写
				// if(res2.meta.status!==401) return uni.$showMessage('预付订单生成失败')
				//2.3得到订单支付相关的必要参数
				const payInfo = res2.message.pay
				
				// 自定义payInfo
				// const payInfo = {
				// 	nonceStr:'',
				// 	package:'',
				// 	paySign:'A04DFADFADFADFWEREARAFSDAGD23523',
				// 	signType:'MD5',
				// 	timeStamp:'1688914723'
				// }
				
				//3发起微信支付
				//3.1调用uni.requestPayment发起支付
				const [err, succ] = await uni.requestPayment(payInfo)
				//3.2 未完成支付
				if(err) return uni.$showMessage('订单未支付')
				//3.3完成了支付进一步查询支付结果
				const {data: res3} = await uni.$http.post('/api/public/v1/my/orders/chkorder',{order_number:orderNumber})
				//3.4检测到订单未支付完
				if(res3.meta.status!==200)return uni.$showMessage('订单未支付!')
				//3.5 提示订单完成支付
				uni.showToast({
					title:'支付完成!',
					icon:'success'
				})
			}
		}
	}
</script>

<style lang="scss">
	
	
	.row1 {
		display: flex;
		justify-content: space-between;
	
		.row1-left {}
	
		.row1-right {
			display: flex;
			justify-content: space-between;
		}
	}
	
	.my-settle-container {
		height: 50px;
		width: 100%;
		position: fixed;
		bottom: 0;
		left: 0;
		display: flex;
		align-items: center;
		justify-content: space-between;
		background-color: white;
		padding-left: 5px;
		font-size: 14px;

		.radio {}

		.amount-box {
			.amount {
				color: #C00000;
				font-weight: bold;
			}
		}

		.btn-settle {
			height: 50px;
			background-color: #C00000;
			color:white;
			line-height: 50px;
			padding: 0 10px;
			min-width: 100px;
			text-align: center;
		}
	}
</style>
